/**
 *
 * Copyright (C) 2002-2012 "SYSNET International, Inc."
 * support@sysnetint.com [http://www.sysnetint.com]
 *
 * This file is part of OpenEMPI.
 *
 * OpenEMPI is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.openempi.webapp.client.ui.widget;

/**
 * An indicator for an on going process.
 *
 * Borrowed from Beginning Google Web Toolkit Book
 */
public interface ProgressIndicator {

    public final static String DEFAULT_MESSAGE = "Loading";

    /**
     * Sets the message shown by this indicator.
     *
     * @param message The message that should shown by this indicator.
     */
    void setMessage(String message);

    /**
     * Hides this indicator.
     */
    void hide();

}
